NSS
IO Committee Database
NSS IO Database Homepage
IO Serial Number List [Listed by IO Type / Name]
Af| 500001 | Grateful Cavers
Af| 500002 | Speleospa Affinity Group
GR| 000263 | Aggie Speleological Soc. (student)
GR| 000420 | Anthros Costa Rica Grotto
GR| 000463 | Arbuckle Mountains Grotto
GR| 000228 | Armpit Grotto
GR| 000232 | Athens Speleological Society
GR| 000404 | Augusta Cave Masters
GR| 000320 | Bald Eagle Grotto
GR| 000467 | Balincaguin Conservancy Grotto
GR| 000040 | Baltimore Grotto
GR| 000395 | Battlefield Area Troglodyte Soc
GR| 000433 | Bear River Grotto
GR| 000304 | Bexar Grotto
GR| 000083 | Birmingham Grotto
GR| 000080 | Bloomington Indiana Grotto
GR| 000111 | Blue Grass Grotto
GR| 000180 | Blue Ridge Grotto
GR| 000035 | Boston Grotto
GR| 000219 | Boston Mountain Grotto
GR| 000441 | Branson Area Tri-Lakes Grotto
GR| 000451 | Bryson City Grotto
GR| 000272 | Bucks County Grotto
GR| 000026 | Cascade Grotto
GR| 000464 | Cave Hill Grotto
GR| 000387 | Central Alabama Grotto
GR| 000106 | Central Arizona Grotto
GR| 000093 | Central Connecticut Grotto
GR| 000375 | Central Florida Grotto
GR| 000060 | Central Indiana Grotto
GR| 000252 | Central New Jersey Grotto
GR| 000042 | Central Ohio Grotto
GR| 000152 | Central Oklahoma Grotto
GR| 000448 | Central Region Arkansas Grotto
GR| 000006 | Charleston Grotto
GR| 000020 | Charlottesville Grotto
GR| 000067 | Chattanooga Grotto
GR| 000091 | Chouteau Grotto
GR| 000454 | Clarksville Underground
GR| 000285 | Clayton County Cavers
GR| 000005 | Cleveland Grotto
GR| 000416 | Clock Tower Grotto
GR| 000465 | COBRA Grotto
GR| 000407 | Cochise County Cavers
GR| 000033 | Colorado Grotto
GR| 000459 | Colorado Western Slope Grotto
GR| 000235 | Commander Cody Caving Club
GR| 000450 | Cowtown Grotto
GR| 000419 | Crescent City Cavers
GR| 000392 | Cullman Grotto
GR| 000076 | Dallas-Fort Worth Grotto
GR| 000366 | Dayton Underground Grotto
GR| 000409 | Desert Dog Troglodytes
GR| 000293 | Detroit Urban Grotto
GR| 000469 | Devilstep Grotto
GR| 000148 | Diablo Grotto
GR| 000002 | District of Columbia Grotto
GR| 000116 | Dogwood City Grotto
GR| 000069 | East Tennessee Grotto
GR| 000337 | Eastern Indiana Grotto
GR| 000189 | Escabrosa Grotto
GR| 000178 | ESSO Grotto
GR| 000021 | Evansville Metropolitan Grotto
GR| 000338 | Fairfax Underground Network
GR| 000382 | Flint River Grotto
GR| 000193 | Flittermouse Grotto
GR| 000068 | Florida Speleological Society
GR| 000264 | Fort Knox Grotto
GR| 000283 | Franklin County Grotto
GR| 000226 | Frederick Grotto
GR| 000105 | Front Range Grotto
GR| 000361 | Front Royal Grotto
GR| 000267 | Gadsden Grotto
GR| 000249 | Galveston Grotto
GR| 000140 | Gem State Grotto
GR| 000229 | Germany Valley Grotto
GR| 000254 | Glacier Grotto
GR| 000447 | Grapevine Grotto
GR| 000452 | Great Lakes Cavers
GR| 000273 | Greater Allentown Grotto
GR| 000110 | Greater Cincinnati Grotto
GR| 000146 | Greater Houston Grotto
GR| 000282 | Greater Randolph (GROSS)
GR| 000256 | Green River Grotto
GR| 000429 | Gypsy Underground Grotto
GR| 000334 | Harrison-Crawford Grotto
GR| 000422 | Hart of Kentucky Grotto
GR| 000356 | Hawaii Grotto
GR| 000318 | Helderberg-Hudson Grotto
GR| 000233 | Hole-in-the-Wall Grotto
GR| 000368 | Hondo Grotto
GR| 000314 | Huntingdon County Cave Hunters
GR| 000063 | Huntsville Grotto
GR| 000019 | Iowa Grotto
GR| 000423 | Jackson County Grotto
GR| 000343 | James River Grotto
GR| 000412 | JUST Cavers
GR| 000165 | Kansas City Area Grotto
GR| 000303 | Kansas Speleological Society
GR| 000129 | Little Egypt Grotto
GR| 000342 | Little Rock Grotto
GR| 000131 | Louisville Grotto
GR| 000327 | Loyalhanna Grotto
GR| 000317 | Lubbock Area Grotto
GR| 000266 | Madison University Student Grotto
GR| 000184 | Meramec Valley Grotto
GR| 000195 | Mesilla Valley Grotto
GR| 000017 | Met Grotto
GR| 000237 | Miami Valley Grotto
GR| 000168 | Michigan Interlakes Grotto
GR| 000378 | Middle Georgia Grotto
GR| 000082 | Middle Mississippi Valley Gr.
GR| 000286 | Middle Ozark Lower Earth Soc. MOLES
GR| 000332 | Mid-Virginia Underground Grotto
GR| 000298 | Minnesota Speleological Survey
GR| 000048 | Missouri Sch. Mines Spelunkers Club
GR| 000124 | Monongahela Grotto
GR| 000355 | Monroe County Cavers
GR| 000297 | Montgomery Grotto
GR| 000114 | Mother Lode Grotto
GR| 000234 | Mountain Empire Grotto
GR| 000199 | Mountain State Grotto
GR| 000335 | Mule Mountain Caving Club
GR| 000049 | Nashville Grotto
GR| 000363 | Near Normal Grotto
GR| 000436 | New Jersey Tri-State Spel. Society
GR| 000453 | New Mexico Tech Student Grotto
GR| 000224 | New River Valley Grotto
GR| 000188 | Niagara Frontier Grotto
GR| 000014 | Nittany Grotto
GR| 000411 | Northern Arizona Grotto
GR| 000163 | Northern Colorado Grotto
GR| 000200 | Northern Indiana Grotto
GR| 000457 | Northern Nevada Grotto
GR| 000037 | Northern New Jersey Grotto
GR| 000428 | Northern Rocky Mountain Grotto
GR| 000461 | Obey River Grotto
GR| 000417 | Ohio Cavers and Climbers
GR| 000123 | Oregon Grotto
GR| 000346 | Oregon High Desert Grotto
GR| 000230 | Ozark Highlands Grotto
GR| 000425 | PAAMUL - Gruta de
GR| 000064 | Paha Sapa Grotto
GR| 000339 | Pajarito Grotto
GR| 000135 | Parkersburg Area Grotto
GR| 000089 | Pecos Valley Grotto
GR| 000444 | Pennsylvania Inner-Earth Grotto
GR| 000300 | Permian Basin Speleological Society
GR| 000008 | Philadelphia Grotto
GR| 000369 | Pigeon Mountain Grotto
GR| 000380 | Pine Mountain Grotto
GR| 000011 | Pittsburgh Grotto
GR| 000460 | Red Canyon Grotto
GR| 000406 | Red-Eye Karst Team
GR| 000015 | Rensselaer Outing Club
GR| 000004 | Richmond Area Spel. Soc.
GR| 000144 | Rock River Speleological Soc.
GR| 000462 | Rockcastle Regional Grotto
GR| 000413 | Saint Joseph Valley Grotto
GR| 000041 | Salt Lake Grotto
GR| 000205 | San Diego Grotto
GR| 000079 | San Francisco Bay Chapter of NSS
GR| 000062 | San Joaquin Valley Grotto
GR| 000088 | Sandia Grotto
GR| 000107 | SEMO Grotto
GR| 000426 | Seven Valleys Grotto
GR| 000379 | Sewanee Mountain Grotto
GR| 000443 | Shady Grove Grotto
GR| 000386 | Shascade Caving Society
GR| 000289 | Shasta Area Grotto
GR| 000372 | Shawangunk-Catskill Area Grotto
GR| 000466 | Sierra Blanca Grotto
GR| 000439 | Silver Sage Grotto
GR| 000468 | Six Ridges Grotto
GR| 000186 | Sligo Grotto
GR| 000130 | Smoky Mountain Grotto
GR| 000359 | South Carolina Interstate Grotto
GR| 000424 | Southern Arizona
GR| 000016 | Southern California Grotto
GR| 000241 | Southern Colorado Mountain
GR| 000218 | Southern Nevada Grotto
GR| 000402 | Southport Chronic Cavers
GR| 000403 | Spencer Mountain Grotto
GR| 000455 | Springfield Plateau Grotto
GR| 000248 | Standing Stone Grotto
GR| 000149 | Stanislaus Speleo. Assn.
GR| 000435 | Stonewall Cavers
GR| 000408 | Sub-Urban Chicago Grotto
GR| 000280 | Syracuse University Outing
GR| 000295 | Tampa Bay Area Grotto
GR| 000118 | Tennessee Central Basin Gr.
GR| 000187 | Tidewater Grotto
GR| 000323 | Timberline Grotto
GR| 000214 | Timpanogos Grotto
GR| 000456 | TRA Grotto
GR| 000345 | Triangle Troglodytes
GR| 000316 | Tri-State Grotto
GR| 000059 | Tulsa Regional OK Grotto
GR| 000315 | Upper Cumberland Grotto
GR| 000034 | UT Grotto
GR| 000470 | Utah Grotto
GR| 000394 | Vermont Cavers Association
GR| 000442 | Virginia Highlands Grotto
GR| 000003 | VPI Cave Club
GR| 000278 | Waldo Brothers Grotto
GR| 000305 | Wasatch Grotto
GR| 000432 | West Michigan Grotto
GR| 000243 | West Virginia Univ. Student Grotto
GR| 000259 | Western Indiana Grotto
GR| 000294 | Western Maryland Grotto
GR| 000108 | White Sands Grotto
GR| 000216 | Willamette Valley Grotto
GR| 000099 | Windy City Grotto
GR| 000101 | Wisconsin Speleological Society
GR| 000268 | Wittenberg U. Spel Soc (Stu)
GR| 000092 | York Grotto
RE| 100009 | Arizona Regional Assn. (ARA)
RE| 100003 | Mid-Appalachian Region (MAR)
RE| 100007 | Mississippi Valley-Ozark Reg (MVOR)
RE| 100002 | Northeastern Regional Org. (NRO)
RE| 100011 | Northwest Caving Association (NCA)
RE| 100014 | Ohio Valley Region (OVR)
RE| 100012 | Rocky Mountain Region
RE| 100004 | Southeastern Regional Assn. (SERA)
RE| 100008 | Southwestern Region (SWR)
RE| 100005 | Texas Speleological Assn. (TSA)
RE| 100001 | Virginia Region (VAR)
RE| 100006 | Western Region
SS| 300015 | American Spelean History Assn
SS| 300022 | Arts and Letters Section
SS| 300001 | Biology Section
SS| 300004 | Cave Diving Section (CDS)
SS| 300002 | Cave Geology & Geography
SS| 300011 | Cave Photography Section
SS| 300014 | Communications & Electronics
SS| 300008 | Conservation & Management Section
SS| 300019 | Digging Section
SS| 300005 | Human Sciences Section
SS| 300021 | Medical Section
SS| 300018 | Speleophilatelic Section
SS| 300010 | Survey & Cartography Section
SS| 300003 | Vertical Section
SS| 300017 | Video Section
Su| 20021 | Florida Cave Survey
SV| 200011 | Alabama Cave Survey
SV| 200015 | Colorado Cave Survey
SV| 200021 | Florida Cave Survey
SV| 200004 | Georgia Speleological Survey
SV| 200019 | Idaho Cave Survey
SV| 200020 | Indiana Cave Survey
SV| 200023 | Indiana Speleological Survey
SV| 200005 | Tennessee Cave Survey
SV| 200022 | Utah Cave Survey
SV| 200008 | Virginia Speleological Survey
SV| 200009 | West Virginia Speleological Sv
Not listed? it may have been deactivated by the NSS IO Committee. Please contact the IO Committee for assistance.
NSS IO Database Homepage
Many questions are answered on the NSS
IO Committee website or
Policy
for Internal Organizations, as approved by the NSS Board of Governers.
Contact the NSS IO Committee
NSS IO Database by Eric McMaster NSS #40642LF